28331387

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 33196800

約数和(自身を除く): 4865413

約数列:

[1, 7, 59, 181, 379, 413, 1267, 2653, 10679, 22361, 68599, 74753, 156527, 480193, 4047341, 28331387]

約数ペア:

[(1, 28331387), (7, 4047341), (59, 480193), (181, 156527), (379, 74753), (413, 68599), (1267, 22361), (2653, 10679)]